Conductivity, Temperature, and Depth (CTD) sensors are in situ instrument packages that are used to measure water depth, pressure, salinity, temperature, and density in the ocean. CTD sensors can be deployed on various water-based platforms such as autonomous underwater vehicles (AUVs), buoys, gliders, or research vessels. When deployed on a vessel, CTD sensors are typically attached to a rosette and then lowered to the seafloor to measure water properties. CTD sensors have a typical sampling rate of 30 Hz and can collect precise measurements for a specific water depth depending on the researcher's needs.
Instrument Details
- Multi
- Earth Science > Oceans > Ocean Pressure > Water PressureEarth Science > Oceans > Bathymetry/seafloor Topography > Water DepthEarth Science > Oceans > Salinity/density > ConductivityEarth Science > Oceans > Salinity/density > DensityEarth Science > Oceans > Salinity/density > SalinityEarth Science > Oceans > Ocean Temperature > Water TemperatureEarth Science > Oceans > Salinity/density
- Sea Floor, Subsurface - Sea/Ocean/Water
- 30 Hz
- Point
- N/A
- https://doi.org/10.1575/1912%2F647
Currently unavailable
Currently unavailable
Woods Hole Oceanographic Institution, D-2 Inc., nke Instrumentation, Sea-Bird Scientific
Currently unavailable
Currently unavailable
Ivilia S/Y Ivilia 1 Campaign · 2 Instruments |  Oceans Melting Greenland 2015—2021 Greenland 14 Deployments · 11 Data Products
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 Moored Buoy Stationary 5 Campaigns · 13 Instruments |  Southern Ocean Gas Exchange Experiment 2008 Southern Ocean 1 Deployment · 0 Data Products
Oceans Melting Greenland 2015—2021 Greenland 14 Deployments · 11 Data Products
SPURS Salinity Processes in the Upper Ocean Regional Study 2012—2017 Subtropical North Atlantic Ocean, Tropical Eastern Pacific Ocean 2 Deployments · 41 Data Products
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 Jet Surface Salinity Profiler 1 Campaign · 4 Instruments |  Salinity and Stratification at the Sea Ice Edge 2022 Beaufort Sea 1 Deployment · 20 Data Products
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 U.S. Coast Guard Cutter Healy 1 Campaign · 12 Instruments |  Impacts of Climate on the Eco-Systems and Chemistry of the Arctic Pacific Environment 2010—2011 Beaufort Sea, Chukchi Sea 2 Deployments · 0 Data Products
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Aranda R/V Aranda 1 Campaign · 5 Instruments |  Light Precipitation Evaluation Experiment 2010 Gulf of Finland 1 Deployment · 22 Data Products
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Tethys II R/V Tethys II 1 Campaign · 1 Instrument |  Hydrological Cycle in Mediterranean Experiment 2012 The Mediterranean 1 Deployment · 3 Data Products
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Le Provence Le Provence 1 Campaign · 1 Instrument | Hydrological Cycle in Mediterranean Experiment 2012 The Mediterranean 1 Deployment · 3 Data Products
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 Campaign Permanent Water Sites Stationary 4 Campaigns · 12 Instruments | Hydrological Cycle in Mediterranean Experiment 2012 The Mediterranean 1 Deployment · 3 Data Products
Impacts of Climate on the Eco-Systems and Chemistry of the Arctic Pacific Environment 2010—2011 Beaufort Sea, Chukchi Sea 2 Deployments · 0 Data Products
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Neptune M/V Neptune 1 Campaign · 2 Instruments | Oceans Melting Greenland 2015—2021 Greenland 14 Deployments · 11 Data Products
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 Drifting Buoy 8 Campaigns · 7 Instruments | Oceans Melting Greenland 2015—2021 Greenland 14 Deployments · 11 Data Products
 Sub-Mesoscale Ocean Dynamics Experiment 2021—2023 Centered approximately 300 km offshore of San Francisco, California, USA 3 Deployments · 33 Data Products
 EXport Processes in the Ocean from RemoTe Sensing 2018—2021 Northeast Pacific Ocean, Northeast Atlantic 2 Deployments · 0 Data Products
SPURS Salinity Processes in the Upper Ocean Regional Study 2012—2017 Subtropical North Atlantic Ocean, Tropical Eastern Pacific Ocean 2 Deployments · 41 Data Products
Southern Ocean Gas Exchange Experiment 2008 Southern Ocean 1 Deployment · 0 Data Products
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Arii Moana M/V Arii Moana 1 Campaign · 2 Instruments | Oceans Melting Greenland 2015—2021 Greenland 14 Deployments · 11 Data Products
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UpTempO Upper layer Temperature of the Polar Oceans Buoy 2 Campaigns · 1 Instrument |  Marginal Ice Zone Ocean and Ice Observations and Processes Experiment 2013 Southern Beaufort Sea, Prudhoe Bay, Alaska 1 Deployment · 0 Data Products
Salinity and Stratification at the Sea Ice Edge 2022 Beaufort Sea 1 Deployment · 20 Data Products
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 R/V Roger Revelle 2 Campaigns · 15 Instruments | EXport Processes in the Ocean from RemoTe Sensing 2018—2021 Northeast Pacific Ocean, Northeast Atlantic 2 Deployments · 0 Data Products
SPURS Salinity Processes in the Upper Ocean Regional Study 2012—2017 Subtropical North Atlantic Ocean, Tropical Eastern Pacific Ocean 2 Deployments · 41 Data Products
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 ARGO Float Stationary 4 Campaigns · 2 Instruments | Southern Ocean Gas Exchange Experiment 2008 Southern Ocean 1 Deployment · 0 Data Products
SPURS Salinity Processes in the Upper Ocean Regional Study 2012—2017 Subtropical North Atlantic Ocean, Tropical Eastern Pacific Ocean 2 Deployments · 41 Data Products
EXport Processes in the Ocean from RemoTe Sensing 2018—2021 Northeast Pacific Ocean, Northeast Atlantic 2 Deployments · 0 Data Products
Sub-Mesoscale Ocean Dynamics Experiment 2021—2023 Centered approximately 300 km offshore of San Francisco, California, USA 3 Deployments · 33 Data Products
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 SeaGlider 3 Campaigns · 5 Instruments | EXport Processes in the Ocean from RemoTe Sensing 2018—2021 Northeast Pacific Ocean, Northeast Atlantic 2 Deployments · 0 Data Products
Sub-Mesoscale Ocean Dynamics Experiment 2021—2023 Centered approximately 300 km offshore of San Francisco, California, USA 3 Deployments · 33 Data Products
SPURS Salinity Processes in the Upper Ocean Regional Study 2012—2017 Subtropical North Atlantic Ocean, Tropical Eastern Pacific Ocean 2 Deployments · 41 Data Products
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 Wirewalker 1 Campaign · 3 Instruments | EXport Processes in the Ocean from RemoTe Sensing 2018—2021 Northeast Pacific Ocean, Northeast Atlantic 2 Deployments · 0 Data Products
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 R/V Sally Ride 2 Campaigns · 6 Instruments | EXport Processes in the Ocean from RemoTe Sensing 2018—2021 Northeast Pacific Ocean, Northeast Atlantic 2 Deployments · 0 Data Products
Sub-Mesoscale Ocean Dynamics Experiment 2021—2023 Centered approximately 300 km offshore of San Francisco, California, USA 3 Deployments · 33 Data Products
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Ault R/V Ault 1 Campaign · 2 Instruments | Oceans Melting Greenland 2015—2021 Greenland 14 Deployments · 11 Data Products
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 Wave Glider 3 Campaigns · 3 Instruments | Sub-Mesoscale Ocean Dynamics Experiment 2021—2023 Centered approximately 300 km offshore of San Francisco, California, USA 3 Deployments · 33 Data Products
Salinity and Stratification at the Sea Ice Edge 2022 Beaufort Sea 1 Deployment · 20 Data Products
SPURS Salinity Processes in the Upper Ocean Regional Study 2012—2017 Subtropical North Atlantic Ocean, Tropical Eastern Pacific Ocean 2 Deployments · 41 Data Products
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 M/V Bold Horizon 1 Campaign · 5 Instruments | Sub-Mesoscale Ocean Dynamics Experiment 2021—2023 Centered approximately 300 km offshore of San Francisco, California, USA 3 Deployments · 33 Data Products
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 R/V Oceanus 3 Campaigns · 12 Instruments | Sub-Mesoscale Ocean Dynamics Experiment 2021—2023 Centered approximately 300 km offshore of San Francisco, California, USA 3 Deployments · 33 Data Products
 First International Satellite Cloud Climatology Project (ISCCP) Regional Experiment 1986—1998 Central and Midwest United States, California Coast, Northwest Africa, Alaska 5 Deployments · 131 Data Products
ASTEX Atlantic Stratocumulus Transition Experiment 1992 Azores and Madeira islands 1 Deployment · 0 Data Products
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 Under Ice Float 1 Campaign · 2 Instruments | Salinity and Stratification at the Sea Ice Edge 2022 Beaufort Sea 1 Deployment · 20 Data Products
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 R/V Woldstad 1 Campaign · 8 Instruments | Salinity and Stratification at the Sea Ice Edge 2022 Beaufort Sea 1 Deployment · 20 Data Products
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M/V Wave M/V Wave 1 Campaign · 2 Instruments | Oceans Melting Greenland 2015—2021 Greenland 14 Deployments · 11 Data Products
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 RV Thalassa 1 Campaign · 3 Instruments | SPURS Salinity Processes in the Upper Ocean Regional Study 2012—2017 Subtropical North Atlantic Ocean, Tropical Eastern Pacific Ocean 2 Deployments · 41 Data Products
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 R/V Endeavor 2 Campaigns · 12 Instruments | SPURS Salinity Processes in the Upper Ocean Regional Study 2012—2017 Subtropical North Atlantic Ocean, Tropical Eastern Pacific Ocean 2 Deployments · 41 Data Products
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 R/V Sarmiento de Gamboa 2 Campaigns · 5 Instruments | SPURS Salinity Processes in the Upper Ocean Regional Study 2012—2017 Subtropical North Atlantic Ocean, Tropical Eastern Pacific Ocean 2 Deployments · 41 Data Products
EXport Processes in the Ocean from RemoTe Sensing 2018—2021 Northeast Pacific Ocean, Northeast Atlantic 2 Deployments · 0 Data Products
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Neutrally Buoyant Float Neutrally Buoyant Float 1 Campaign · 1 Instrument | SPURS Salinity Processes in the Upper Ocean Regional Study 2012—2017 Subtropical North Atlantic Ocean, Tropical Eastern Pacific Ocean 2 Deployments · 41 Data Products
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Slocum Glider Slocum Sub-surface Electric Glider 2 Campaigns · 1 Instrument | SPURS Salinity Processes in the Upper Ocean Regional Study 2012—2017 Subtropical North Atlantic Ocean, Tropical Eastern Pacific Ocean 2 Deployments · 41 Data Products
Sub-Mesoscale Ocean Dynamics Experiment 2021—2023 Centered approximately 300 km offshore of San Francisco, California, USA 3 Deployments · 33 Data Products
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 i3XO EcoMapper AUV 1 Campaign · 4 Instruments | SPURS Salinity Processes in the Upper Ocean Regional Study 2012—2017 Subtropical North Atlantic Ocean, Tropical Eastern Pacific Ocean 2 Deployments · 41 Data Products
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SeaSoar 1 Campaign · 1 Instrument | SPURS Salinity Processes in the Upper Ocean Regional Study 2012—2017 Subtropical North Atlantic Ocean, Tropical Eastern Pacific Ocean 2 Deployments · 41 Data Products
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Lady Amber R/V Lady Amber 1 Campaign · 7 Instruments | SPURS Salinity Processes in the Upper Ocean Regional Study 2012—2017 Subtropical North Atlantic Ocean, Tropical Eastern Pacific Ocean 2 Deployments · 41 Data Products
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 Saildrone 2 Campaigns · 5 Instruments | SPURS Salinity Processes in the Upper Ocean Regional Study 2012—2017 Subtropical North Atlantic Ocean, Tropical Eastern Pacific Ocean 2 Deployments · 41 Data Products
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James Cook RRS James Cook 1 Campaign · 6 Instruments | EXport Processes in the Ocean from RemoTe Sensing 2018—2021 Northeast Pacific Ocean, Northeast Atlantic 2 Deployments · 0 Data Products
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Discovery RRS Discovery 1 Campaign · 5 Instruments | EXport Processes in the Ocean from RemoTe Sensing 2018—2021 Northeast Pacific Ocean, Northeast Atlantic 2 Deployments · 0 Data Products
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ASIS Air-Sea Interaction Spar Buoy 1 Campaign · 6 Instruments | Southern Ocean Gas Exchange Experiment 2008 Southern Ocean 1 Deployment · 0 Data Products
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SuperSoar Oregon State University SuperSoar 1 Campaign · 2 Instruments | Southern Ocean Gas Exchange Experiment 2008 Southern Ocean 1 Deployment · 0 Data Products
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 R/V Knorr 1 Campaign · 10 Instruments | SPURS Salinity Processes in the Upper Ocean Regional Study 2012—2017 Subtropical North Atlantic Ocean, Tropical Eastern Pacific Ocean 2 Deployments · 41 Data Products
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 R/V Ronald H. Brown 3 Campaigns · 45 Instruments | Southern Ocean Gas Exchange Experiment 2008 Southern Ocean 1 Deployment · 0 Data Products
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 M/V Cape Race 1 Campaign · 2 Instruments | Oceans Melting Greenland 2015—2021 Greenland 14 Deployments · 11 Data Products
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